urtware / doc / activitydiagrams / subscriber / frtsubscriber / urtFrtSubscriberSubscribe.svg @ 17d978fe
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1 | 2d315870 | Thomas Schöpping | <?xml version="1.0" encoding="UTF-8" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentScriptType="application/ecmascript" contentStyleType="text/css" height="1193px" preserveAspectRatio="none" style="width:2815px;height:1193px;" version="1.1" viewBox="0 0 2815 1193" width="2815px" zoomAndPan="magnify"><defs><filter height="300%" id="f6hvlvs269tij" width="300%" x="-1" y="-1"><feGaussianBlur result="blurOut" stdDeviation="2.0"/><feColorMatrix in="blurOut" result="blurOut2" type="matrix" values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .4 0"/><feOffset dx="4.0" dy="4.0" in="blurOut2" result="blurOut3"/><feBlend in="SourceGraphic" in2="blurOut3" mode="normal"/></filter></defs><g><text fill="#000000" font-family="sans-serif" font-size="18" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="89" x="1362" y="26.708">µRtWare</text><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="243" x="1285" y="47.6611">urtFrtSubscriberSubscribe()</text><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="0" x="1409.5" y="68.6143"/><path d="M615.5,72.8594 L615.5,395.5156 L1315.5,395.5156 L1315.5,82.8594 L1305.5,72.8594 L615.5,72.8594 " fill="#FBFB77" filter="url(#f6hvlvs269tij)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M1305.5,72.8594 L1305.5,82.8594 L1315.5,82.8594 L1305.5,72.8594 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="854.5" y1="85.4258" y2="85.4258"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="858.5" y="89.4263"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="78" x="858.5" y="89.4263">subscriber</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="132" x="940.5" y="89.4263">: urt_frtsubscriber_t*</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1076.5" x2="1315.5" y1="85.4258" y2="85.4258"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="324" x="621.5" y="105.0591">The FRT subscriber which shall subscribe to a topic.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="76" x="621.5" y="120.1919">Must not be</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="701.5" y="120.1919">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="4" x="733.5" y="120.1919">.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="899.5" y1="130.8242" y2="130.8242"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="903.5" y="134.8247"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="37" x="903.5" y="134.8247">topic</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="83" x="944.5" y="134.8247">: urt_topic_t*</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1031.5" x2="1315.5" y1="130.8242" y2="130.8242"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="161" x="621.5" y="150.4575">The topic to subscribe to.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="76" x="621.5" y="165.5903">Must not be</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="701.5" y="165.5903">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="4" x="733.5" y="165.5903">.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="866.5" y1="176.2227" y2="176.2227"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="870.5" y="180.2231"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="75" x="870.5" y="180.2231">messages</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="111" x="949.5" y="180.2231">: urt_message_t*</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1064.5" x2="1315.5" y1="176.2227" y2="176.2227"/><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="621.5" y="195.856">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="346" x="657.5" y="195.856">terminated list of messages to contribute to the topic.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="329" x="621.5" y="210.9888">Messages must not be associated to another topic.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="430" x="621.5" y="226.1216">Once a message has been contributed, it cannot be removed later.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="46" x="621.5" y="241.2544">May be</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="671.5" y="241.2544">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="186" x="707.5" y="241.2544">(no messages to contribute).</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="888" y1="251.8867" y2="251.8867"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="892" y="255.8872"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="64" x="892" y="255.8872">deadline</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="79" x="960" y="255.8872">: urt_delay_t</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1043" x2="1315.5" y1="251.8867" y2="251.8867"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="267" x="621.5" y="271.52">Maximum latency to consume messages.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="325" x="621.5" y="286.6528">A value of 0 indicates that latency is of no concern.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="902.5" y1="297.2852" y2="297.2852"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="906.5" y="301.2856"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="35" x="906.5" y="301.2856">jitter</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="79" x="945.5" y="301.2856">: urt_delay_t</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1028.5" x2="1315.5" y1="297.2852" y2="297.2852"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="679" x="621.5" y="316.9185">Maximum allowed jitter (difference between maximum and minimum latency) when consuming messages.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="308" x="621.5" y="332.0513">A value of 0 indicates that jitter is of no concern.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="1315.5" y1="340.1172" y2="340.1172"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="1315.5" y1="342.1172" y2="342.1172"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="615.5" x2="894.5" y1="352.6836" y2="352.6836"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="898.5" y="356.6841"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="45" x="898.5" y="356.6841">return</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="85" x="947.5" y="356.6841">: urt_status_t</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1036.5" x2="1315.5" y1="352.6836" y2="352.6836"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="49" x="621.5" y="372.3169">Returns</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="104" x="674.5" y="372.3169">URT_STATUS_OK</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="75" x="782.5" y="372.3169">on success.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="49" x="621.5" y="387.4497">Returns</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="232" x="674.5" y="387.4497">URT_STATUS_SUBSCRIBE_TOPICSET</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="308" x="910.5" y="387.4497">if the subscriber is already associated to a topic.</text><ellipse cx="965.5" cy="425.5156" fill="#000000" filter="url(#f6hvlvs269tij)" rx="10" ry="10" style="stroke: none; stroke-width: 1.0;"/><polygon fill="#FEFECE" filter="url(#f6hvlvs269tij)" points="908,455.5156,1023,455.5156,1035,467.5156,1023,479.5156,908,479.5156,896,467.5156,908,455.5156" style="stroke: #A80036; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="115" x="908" y="471.3237">Is topic already set?</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="20" x="876" y="464.9214">yes</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="14" x="1035" y="464.9214">no</text><path d="M10,489.5156 L10,514.6484 A0,0 0 0 0 10,514.6484 L320,514.6484 A0,0 0 0 0 320,514.6484 L320,507.5156 L340,502.082 L320,499.5156 L320,499.5156 L310,489.5156 L10,489.5156 A0,0 0 0 0 10,489.5156 " fill="#FBFB77" filter="url(#f6hvlvs269tij)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M310,489.5156 L310,499.5156 L320,499.5156 L310,489.5156 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="49" x="16" y="506.5825">Returns</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="232" x="69" y="506.5825">URT_STATUS_SUBSCRIBE_TOPICSET</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="4" x="301" y="506.5825">.</text><ellipse cx="351" cy="502.082" fill="#FFFFFF" filter="url(#f6hvlvs269tij)" rx="11" ry="11" style="stroke: #000000; stroke-width: 1.0;"/><ellipse cx="351" cy="502.082" fill="#000000" rx="6" ry="6" style="stroke: #7F7F7F; stroke-width: 1.0;"/><rect fill="#000000" filter="url(#f6hvlvs269tij)" height="6" rx="2.5" ry="2.5" style="stroke: #000000; stroke-width: 1.0;" width="884" x="1160" y="489.5156"/><rect fill="#FEFECE" filter="url(#f6hvlvs269tij)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="75" x="1174" y="594.3281"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="55" x="1184" y="615.4668">set topic</text><path d="M1277,515.5156 L1277,707.1094 A0,0 0 0 0 1277,707.1094 L1879,707.1094 A0,0 0 0 0 1879,707.1094 L1879,615.3125 L1899,611.3125 L1879,607.3125 L1879,525.5156 L1869,515.5156 L1277,515.5156 A0,0 0 0 0 1277,515.5156 " fill="#EEEEEE" filter="url(#f6hvlvs269tij)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M1869,515.5156 L1869,525.5156 L1879,525.5156 L1869,515.5156 " fill="#EEEEEE" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="1277" x2="1507" y1="528.082" y2="528.082"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="134" x="1511" y="532.0825">urt_basesubscriber_t</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1649" x2="1879" y1="528.082" y2="528.082"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 1.0,2.0;" x1="1277" x2="1449.5" y1="543.2148" y2="543.2148"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="249" x="1453.5" y="547.2153">URT_CFG_PUBSUB_PROFILING == true</text><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 1.0,2.0;" x1="1706.5" x2="1879" y1="543.2148" y2="543.2148"/><ellipse cx="1288.5" cy="558.4141" fill="#000000" rx="2.5" ry="2.5" style="stroke: #000000; stroke-width: 0.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="101" x="1294" y="562.8481">sumLatencies</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="23" x="1399" y="562.8481">← 0</text><ellipse cx="1288.5" cy="573.5469" fill="#000000" rx="2.5" ry="2.5" style="stroke: #000000; stroke-width: 0.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="173" x="1294" y="577.981">numMessagesReceived</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="23" x="1471" y="577.981">← 0</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="1277" x2="1515.5" y1="588.6133" y2="588.6133"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="117" x="1519.5" y="592.6138">urt_frtsubscriber_t</text><line style="stroke: #A80036; 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stroke-width: 2.0;"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="147" x="387" y="893.5854">contribute messages</text><rect fill="#000000" filter="url(#f6hvlvs269tij)" height="6" rx="2.5" ry="2.5" style="stroke: #000000; stroke-width: 1.0;" width="1150" x="394" y="915.8872"/><rect fill="#FEFECE" filter="url(#f6hvlvs269tij)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="619" x="408" y="941.8872"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="20" x="418" y="963.0259">set</text><text fill="#000000" font-family="monospace" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="28" x="442" y="963.0259">next</text><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="543" x="474" y="963.0259">pointer of last message to contribute to the message after the topic's latest message</text><rect fill="#FEFECE" filter="url(#f6hvlvs269tij)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; 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stroke-width: 1.5;" width="217" x="2278" y="933.7388"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="197" x="2288" y="954.8774">register to topic's event source</text><rect fill="#EEEEEE" filter="url(#f6hvlvs269tij)" height="47.9375" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="287" x="2505" y="926.7544"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 1.0,2.0;" x1="2505" x2="2532.5" y1="943.7388" y2="943.7388"/><text fill="#000000" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="232" x="2532.5" y="947.3931">URT_CFG_PUBSUB_PROFILING == true</text><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 1.0,2.0;" x1="2764.5" x2="2792" y1="943.7388" y2="943.7388"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="267" x="2515" y="961.8618">increment counter of subscribers (@topic)</text><rect fill="#000000" filter="url(#f6hvlvs269tij)" height="6" rx="2.5" ry="2.5" style="stroke: #000000; 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2 | dd31cb03 | Thomas Schöpping | @startuml |
3 | |||
4 | title **µRtWare**\nurtFrtSubscriberSubscribe()\n |
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5 | |||
6 | |||
7 | |||
8 | |||
9 | |||
10 | note |
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11 | - - **subscriber** : urt_frtsubscriber_t* - - |
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12 | The FRT subscriber which shall subscribe to a topic. |
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13 | Must not be ""NULL"". |
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14 | - - **topic** : urt_topic_t* - - |
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15 | The topic to subscribe to. |
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16 | Must not be ""NULL"". |
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17 | - - **messages** : urt_message_t* - - |
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18 | ""NULL"" terminated list of messages to contribute to the topic. |
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19 | Messages must not be associated to another topic. |
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20 | Once a message has been contributed, it cannot be removed later. |
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21 | May be ""NULL"" (no messages to contribute). |
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22 | - - **deadline** : urt_delay_t - - |
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23 | Maximum latency to consume messages. |
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24 | A value of 0 indicates that latency is of no concern. |
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25 | - - **jitter** : urt_delay_t - - |
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26 | Maximum allowed jitter (difference between maximum and minimum latency) when consuming messages. |
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27 | A value of 0 indicates that jitter is of no concern. |
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28 | ==== |
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29 | - - **return** : urt_status_t - - |
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30 | Returns ""URT_STATUS_OK"" on success. |
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31 | Returns ""URT_STATUS_SUBSCRIBE_TOPICSET"" if the subscriber is already associated to a topic. |
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32 | endnote |
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33 | |||
34 | |||
35 | start |
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36 | if (Is topic already set?) then (yes) |
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37 | stop |
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38 | note |
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39 | Returns ""URT_STATUS_SUBSCRIBE_TOPICSET"". |
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40 | endnote |
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41 | else (no) |
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42 | fork |
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43 | :set topic; |
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44 | fork again |
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45 | #EEEEEE:initialize members; |
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46 | note #EEEEEE |
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47 | - - urt_basesubscriber_t - - |
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48 | .. URT_CFG_PUBSUB_PROFILING == true .. |
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49 | * **sumLatencies** ← 0 |
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50 | * **numMessagesReceived** ← 0 |
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51 | - - urt_frtsubscriber_t - - |
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52 | .. URT_CFG_PUBSUB_QOS_DEADLINECHECKS == true .. |
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53 | * **deadlineOffset** ← deadline |
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54 | .. URT_CFG_PUBSUB_QOS_JITTERCHECKS == true .. |
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55 | * **maxJitter** ← jitter |
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56 | .. URT_CFG_PUBSUB_QOS_JITTERCHECKS == true || URT_CFG_PUBSUB_PROFILING == true .. |
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57 | 2d315870 | Thomas Schöpping | * **minLatency** ← ""URT_DELAY_INFINITE"" |
58 | * **maxLatency** ← ""URT_DELAY_IMMEDIATE"" |
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59 | dd31cb03 | Thomas Schöpping | endnote |
60 | endfork |
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61 | :lock topic; |
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62 | fork |
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63 | if (Messages to contribute?) then (yes) |
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64 | partition "contribute messages" { |
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65 | fork |
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66 | :set ""next"" pointer of last message to contribute to the message after the topic's latest message; |
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67 | fork again |
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68 | :set ""next"" pointer of topic's latest message to first message to contribute; |
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69 | endfork |
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70 | } |
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71 | else (no) |
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72 | endif |
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73 | fork again |
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74 | fork |
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75 | :set message pointer to topic's latest message; |
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76 | fork again |
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77 | :copy timestamp from topic's latest message; |
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78 | endfork |
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79 | fork again |
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80 | :register to topic's event source; |
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81 | fork again |
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82 | #EEEEEE:..//URT_CFG_PUBSUB_PROFILING == true//..\nincrement counter of subscribers (@topic); |
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83 | endfork |
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84 | :unlock topic; |
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85 | stop |
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86 | note |
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87 | Returns ""URT_STATUS_OK"". |
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88 | endnote |
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89 | endif |
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90 | |||
91 | |||
92 | @enduml |
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93 | |||
94 | PlantUML version 1.2020.00(Sat Jan 11 13:30:53 CET 2020) |
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95 | (GPL source distribution) |
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96 | Java Runtime: OpenJDK Runtime Environment |
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97 | JVM: OpenJDK 64-Bit Server VM |
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98 | 2d315870 | Thomas Schöpping | Java Version: 11.0.7+10-post-Ubuntu-2ubuntu218.04 |
99 | dd31cb03 | Thomas Schöpping | Operating System: Linux |
100 | Default Encoding: UTF-8 |
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101 | Language: en |
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102 | Country: US |
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103 | --></g></svg> |